1 Tip, 1 question

[Neal Campbell]

Sounds like a good plan!

Thanks
Neal

On Thu, Jul 17, 2008 at 12:27 PM, Ivan Smahin
<ivan_smahin at paradigmasoft.com> wrote:
> Hello Neal,
>
> Thursday, July 17, 2008, 7:01:08 PM, you wrote:
>
>> So this method would have a discrete update path for each update iteration?
>
>> I was thinking of two possible scenarios which I wonder if the first
>> one would work:
>> 1. export the database, then import it under the different scheme.
>> What happens if a previously existing field no longer exists in the
>> table, VExceptions in this approach?
>
> Yes, it should be exception in case of different fields count.
>
>> 2. a similar method as with my xml files, a query on each table
>> whether a field is present and if not add it. This also suffers from
>> vestigial fields being left behind but I guess I could have a periodic
>> cleanup routine to look for dead fields and delete them. Is there any
>> issues with deleting a field that has data, indices, etc.?
>
> It should be no issues - nothing special.
>
>
>
>
> --
> Best regards,
> Ivan Smahin
> Senior Software Engineer
> Paradigma Software, Inc
> Valentina - The Ultra-Fast Database
> http://www.valentina-db.com
>
> _______________________________________________
> Valentina mailing list
> Valentina at lists.macserve.net
> http://lists.macserve.net/mailman/listinfo/valentina
>



-- 
Neal Campbell
Abroham Neal Software
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(540) 242 0911
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